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双原子镧系化合物分子结构 被引量:1

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摘要 利用相对论小芯赝势及新近优化得到的镧系元素的(14s13p10d8f6g)/[6s6p5d4f3g]价电子基组,对双原子镧系化合物(LaH,LaO,LaF,EuH,EuO,EuF,EuS,GdO,GdF,GdH,YbH,YbO,YbF,YbS,LuH,LuO,LuF)的分子结构进行了计算.除YbO,LuF分子外,其他分子的计算结果与现有实验值符合得很好.对YbO分子,在基态存在复杂的组态混合情况,由于计算方法(CI(SD))的局限性,导致理论值与实验值有较大差别.对LuF分子,则很可能从实验得到的分子结合能估计值太低了.
出处 《中国科学(B辑)》 CSCD 北大核心 2001年第6期481-486,共6页 Science in China(Series B)
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